@adncorp/account-book-parser-adapter/build/utils/fileUtils.js

parsing sheet adapter for account book

"use strict";

/* eslint-disable spellcheck/spell-checker */
var axios = require('axios');

var fs = require('fs');

var splitUri = function splitUri(uri) {
  var splitted = uri.match(/(?:([^:\/?#]+):)?(?:\/\/([^\/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?/);
  return splitted;
};

function isUri(value) {
  if (!value) {
    return null;
  } // check for illegal characters


  if (/[^a-z0-9\:\/\?\#\[\]\@\!\$\&\'\(\)\*\+\,\;\=\.\-\_\~\%]/i.test(value)) {
    return null;
  } // check for hex escapes that aren't complete


  if (/%[^0-9a-f]/i.test(value)) return null;
  if (/%[0-9a-f](:?[^0-9a-f]|$)/i.test(value)) return null;
  var splitted = [];
  var scheme = '';
  var authority = '';
  var path = '';
  var query = '';
  var fragment = '';
  var out = ''; // from RFC 3986

  splitted = splitUri(value);
  scheme = splitted[1];
  authority = splitted[2];
  path = splitted[3];
  query = splitted[4];
  fragment = splitted[5]; // scheme and path are required, though the path can be empty

  if (!(scheme && scheme.length && path.length >= 0)) return null; // if authority is present, the path must be empty or begin with a /

  if (authority && authority.length) {
    if (!(path.length === 0 || /^\//.test(path))) return null;
  } else {
    // if authority is not present, the path must not start with //
    if (/^\/\//.test(path)) return null;
  } // scheme must begin with a letter, then consist of letters, digits, +, ., or -


  if (!/^[a-z][a-z0-9\+\-\.]*$/.test(scheme.toLowerCase())) return null; // re-assemble the URL per section 5.3 in RFC 3986

  out += scheme + ':';

  if (authority && authority.length) {
    out += '//' + authority;
  }

  out += path;

  if (query && query.length) {
    out += '?' + query;
  }

  if (fragment && fragment.length) {
    out += '#' + fragment;
  }

  return out;
}

function readFileUri(url) {
  return new Promise(function (resolve, reject) {
    axios.get(url, {
      responseType: 'arraybuffer'
    }).then(function (res) {
      resolve(res.data);
    })["catch"](function (err) {
      reject(err);
    });
  });
}
/**
 * read file weather from uri or fir path
 * @param {string} file filepath or url
 * @returns {Promise}
 */


function readFile(file) {
  if (isUri(file)) {
    return readFileUri(file);
  }

  return new Promise(function (resolve, reject) {
    fs.readFile(file, function (error, data) {
      if (error) {
        reject(error);
      } else {
        resolve(data);
      }
    });
  });
}

module.exports = {
  isUri: isUri,
  readFileUri: readFileUri,
  readFile: readFile
};
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